100256147 has 2 divisors, whose sum is σ = 100256148. Its totient is φ = 100256146.

The previous prime is 100256131. The next prime is 100256153. The reversal of 100256147 is 741652001.

It is a strong prime.

It is an emirp because it is prime and its reverse (741652001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100256147 - 2⁴ = 100256131 is a prime.

It is a super-2 number, since 2×100256147² = 20102590022571218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100250147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50128073 + 50128074.

It is an arithmetic number, because the mean of its divisors is an integer number (50128074).

Almost surely, 2^100256147 is an apocalyptic number.

100256147 is a deficient number, since it is larger than the sum of its proper divisors (1).

100256147 is an equidigital number, since it uses as much as digits as its factorization.

100256147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 100256147 is about 10012.7991590763. The cubic root of 100256147 is about 464.5548551485.

The spelling of 100256147 in words is "one hundred million, two hundred fifty-six thousand, one hundred forty-seven".